How can letting go of arguments about politics and religion lead to a happier life?

Is Putin assisting the Iranian regime so this war may last too long, allowing his failing economy to survive and even grow? Oil prices are skyrocketing and Trump is allowing Putin's oil to world markets.
Have you ever felt like you were fighting the world alone?
How likely is it that AI will advance to the point where it can become a significant threat to humanity?
When in your life did a political debate feel like one candidate just dominated the other one in every way possible?